header {
    width: 100%;
    height: 1rem;
    position: relative;
    line-height: 1rem;
    color: #333;
    background: #fff;
    font-size: .38rem;
    text-align: center;
    overflow: hidden;
    .back {
        position: absolute;
        left: .1rem;
        top: 50%;
        width: .24rem;
        margin: -.15rem 0 .1rem .3rem;
    }
    .set {
        position: absolute;
        right: .1rem;
        top: 50%;
        width: .4rem;
        margin: -.15rem .3rem .1rem 0;
    }
}

.head {
    width: 100%;
    height: 1.8rem;
    padding: .2rem 0;
    margin-bottom: .2rem;
    li:nth-of-type(1) {
        width: 1.12rem;
        margin: 0 .1rem 0 .3rem;
        float: left;
        margin-right: .5rem;
        img {
            width: 1.12rem;
            margin: 0 .1rem 0 .3rem;
        }
    }
    li:nth-of-type(2) {
        float: left;
        overflow: hidden;
        h3 {
            margin-top: .1rem;
            font-size: .38rem;
        }
        p {
            font-weight: 400;
            font-size: .32rem;
        }
    }
    li:nth-of-type(3) {
        float: right;
        width: 2.7rem;
        margin-right: .2rem;
        img {
            width: 100%;
            margin: .05rem 0;
        }
    }
}

.menu {
    width: 100%;
    ul {
        width: 100%;
        display: flex;
        flex-flow: row wrap;
        justify-content: space-around;
        li {
            width: 36%;
            margin: .2rem 0;
            img {
                width: .8rem;
                float: left;
            }
            h3 {
                color: #333;
                font-size: .3rem;
            }
            p {
                color: #a1a1a1;
                font-size: .24rem;
                font-weight: 400;
            }
        }
    }
}